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TM172E28R

The TM172E28R is a digital, multi-function timer relay from Schneider Electric's Harmony control relay series. It is a DIN rail mounted device designed for precise time-delay control in industrial and building automation applications.

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Specifications: Parameter Specification Product Range Harmony Control Relays (TM172 Series) Device Type Multi-Function Digital Timer Relay Power Supply Voltage 100-240V AC, 50/60 Hz (Typical for "E" series). Must verify exact voltage from datasheet. Power Consumption Approx. 3 VA Timing Functions Configurable via switches (On-delay, Off-delay, Interval, Pulse, etc.) Timing Ranges Selectable ranges (e.g., 0.1s–10h, 1s–100h) Timing Accuracy ±0.5% of set value ± 20 ms Number of Outputs 2 Changeover Contacts (DPDT) • Output 1: Timed Contact • Output 2: Instantaneous Contact Output Rating 8 A @ 250V AC (Resistive) 5 A @ 250V AC (Inductive) 8 A @ 30V DC (Resistive) Setting Method Switches (function) + rotary potentiometer or thumbwheel (time) Mounting DIN Rail (35mm) Operating Temperature -20°C to +55°C Standards & Approvals UL 508, CSA, IEC/EN 61812-1, CE, RoHS